WNetUseConnectionA

// MPR.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR WNetUseConnectionA(
    HWND hwndOwner,   // optional
    NETRESOURCEA* lpNetResource,
    LPCSTR lpPassword,   // optional
    LPCSTR lpUserId,   // optional
    NET_CONNECT_FLAGS dwFlags,
    LPSTR lpAccessName,   // optional
    DWORD* lpBufferSize,   // optional
    DWORD* lpResult   // optional
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetUseConnectionA(
    hwndOwner As IntPtr,   ' HWND optional
    lpNetResource As IntPtr,   ' NETRESOURCEA*
    <MarshalAs(UnmanagedType.LPStr)> lpPassword As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpUserId As String,   ' LPCSTR optional
    dwFlags As UInteger,   ' NET_CONNECT_FLAGS
    <MarshalAs(UnmanagedType.LPStr)> lpAccessName As System.Text.StringBuilder,   ' LPSTR optional, out
    lpBufferSize As IntPtr,   ' DWORD* optional, in/out
    lpResult As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' hwndOwner : HWND optional
' lpNetResource : NETRESOURCEA*
' lpPassword : LPCSTR optional
' lpUserId : LPCSTR optional
' dwFlags : NET_CONNECT_FLAGS
' lpAccessName : LPSTR optional, out
' lpBufferSize : DWORD* optional, in/out
' lpResult : DWORD* optional, out
Declare PtrSafe Function WNetUseConnectionA Lib "mpr" ( _
    ByVal hwndOwner As LongPtr, _
    ByVal lpNetResource As LongPtr, _
    ByVal lpPassword As String, _
    ByVal lpUserId As String, _
    ByVal dwFlags As Long, _
    ByVal lpAccessName As String, _
    ByVal lpBufferSize As LongPtr, _
    ByVal lpResult As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WNetUseConnectionA = ctypes.windll.mpr.WNetUseConnectionA
WNetUseConnectionA.restype = wintypes.DWORD
WNetUseConnectionA.argtypes = [
    wintypes.HANDLE,  # hwndOwner : HWND optional
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEA*
    wintypes.LPCSTR,  # lpPassword : LPCSTR optional
    wintypes.LPCSTR,  # lpUserId : LPCSTR optional
    wintypes.DWORD,  # dwFlags : NET_CONNECT_FLAGS
    wintypes.LPSTR,  # lpAccessName : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpResult : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetUseConnectionA = Fiddle::Function.new(
  lib['WNetUseConnectionA'],
  [
    Fiddle::TYPE_VOIDP,  # hwndOwner : HWND optional
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEA*
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpUserId : LPCSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : NET_CONNECT_FLAGS
    Fiddle::TYPE_VOIDP,  # lpAccessName : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpResult : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetUseConnectionA(
        hwndOwner: *mut core::ffi::c_void,  // HWND optional
        lpNetResource: *mut NETRESOURCEA,  // NETRESOURCEA*
        lpPassword: *const u8,  // LPCSTR optional
        lpUserId: *const u8,  // LPCSTR optional
        dwFlags: u32,  // NET_CONNECT_FLAGS
        lpAccessName: *mut u8,  // LPSTR optional, out
        lpBufferSize: *mut u32,  // DWORD* optional, in/out
        lpResult: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetUseConnectionA(IntPtr hwndOwner, IntPtr lpNetResource, [MarshalAs(UnmanagedType.LPStr)] string lpPassword, [MarshalAs(UnmanagedType.LPStr)] string lpUserId, uint dwFlags, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpAccessName, IntPtr lpBufferSize, IntPtr lpResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetUseConnectionA' -Namespace Win32 -PassThru
# $api::WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)

#uselib "MPR.dll"
#func global WNetUseConnectionA "WNetUseConnectionA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WNetUseConnectionA hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult)   ; 戻り値は stat
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEA* -> "sptr"
; lpPassword : LPCSTR optional -> "sptr"
; lpUserId : LPCSTR optional -> "sptr"
; dwFlags : NET_CONNECT_FLAGS -> "sptr"
; lpAccessName : LPSTR optional, out -> "sptr"
; lpBufferSize : DWORD* optional, in/out -> "sptr"
; lpResult : DWORD* optional, out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "MPR.dll"
#cfunc global WNetUseConnectionA "WNetUseConnectionA" sptr, var, str, str, int, var, var, var
; res = WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEA* -> "var"
; lpPassword : LPCSTR optional -> "str"
; lpUserId : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPSTR optional, out -> "var"
; lpBufferSize : DWORD* optional, in/out -> "var"
; lpResult : DWORD* optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; WIN32_ERROR WNetUseConnectionA(HWND hwndOwner, NETRESOURCEA* lpNetResource, LPCSTR lpPassword, LPCSTR lpUserId, NET_CONNECT_FLAGS dwFlags, LPSTR lpAccessName, DWORD* lpBufferSize, DWORD* lpResult)
#uselib "MPR.dll"
#cfunc global WNetUseConnectionA "WNetUseConnectionA" intptr, var, str, str, int, var, var, var
; res = WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
; hwndOwner : HWND optional -> "intptr"
; lpNetResource : NETRESOURCEA* -> "var"
; lpPassword : LPCSTR optional -> "str"
; lpUserId : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPSTR optional, out -> "var"
; lpBufferSize : DWORD* optional, in/out -> "var"
; lpResult : DWORD* optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetUseConnectionA = mpr.NewProc("WNetUseConnectionA")
)

// hwndOwner (HWND optional), lpNetResource (NETRESOURCEA*), lpPassword (LPCSTR optional), lpUserId (LPCSTR optional), dwFlags (NET_CONNECT_FLAGS), lpAccessName (LPSTR optional, out), lpBufferSize (DWORD* optional, in/out), lpResult (DWORD* optional, out)
r1, _, err := procWNetUseConnectionA.Call(
	uintptr(hwndOwner),
	uintptr(lpNetResource),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPassword))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpUserId))),
	uintptr(dwFlags),
	uintptr(lpAccessName),
	uintptr(lpBufferSize),
	uintptr(lpResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetUseConnectionA(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEA*
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpUserId: PAnsiChar;   // LPCSTR optional
  dwFlags: DWORD;   // NET_CONNECT_FLAGS
  lpAccessName: PAnsiChar;   // LPSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnectionA';

result := DllCall("MPR\WNetUseConnectionA"
    , "Ptr", hwndOwner   ; HWND optional
    , "Ptr", lpNetResource   ; NETRESOURCEA*
    , "AStr", lpPassword   ; LPCSTR optional
    , "AStr", lpUserId   ; LPCSTR optional
    , "UInt", dwFlags   ; NET_CONNECT_FLAGS
    , "Ptr", lpAccessName   ; LPSTR optional, out
    , "Ptr", lpBufferSize   ; DWORD* optional, in/out
    , "Ptr", lpResult   ; DWORD* optional, out
    , "UInt")   ; return: WIN32_ERROR

●WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult) = DLL("MPR.dll", "dword WNetUseConnectionA(void*, void*, char*, char*, dword, char*, void*, void*)")
# 呼び出し: WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> "void*"
# lpNetResource : NETRESOURCEA* -> "void*"
# lpPassword : LPCSTR optional -> "char*"
# lpUserId : LPCSTR optional -> "char*"
# dwFlags : NET_CONNECT_FLAGS -> "dword"
# lpAccessName : LPSTR optional, out -> "char*"
# lpBufferSize : DWORD* optional, in/out -> "void*"
# lpResult : DWORD* optional, out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。